The spring equinox, also called the Vernal Equinox, happens today at 12:15 PM eastern time, or 11:15 AM in Kansas City. This date starts the astronomical first day of spring in the Northern Hemisphere. The word equinox comes from Latin words which literally means “equal night”— aequus (equal) and nox (night). On the equinox, the length of day and . . . → Read More: Another Major New York Storm System As Spring Begins